/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package fr.ensisa.pujaszymanski;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Puja, Szymanski
 */
public class New_topic extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        /*response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet New_topic</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h1>Servlet New_topic at " + request.getContextPath () + "</h1>");
        out.println("</body>");
        out.println("</html>");
        } finally { 
        out.close();
        }*/
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String title = request.getParameter("title");
        String message = request.getParameter("message");

        String userName = (String) request.getSession().getAttribute("userName");
        if (userName == null) {
            response.sendRedirect("index.jsp");
            return;
        }
        if (title.isEmpty() || message.isEmpty() || userName.isEmpty()) {
            response.sendRedirect("index.jsp");
        } else {
            Message m = new Message(userName, message);
            Topic t = new Topic(title);
            t.addMessage(m);
            ((Forum) getServletContext().getAttribute("forum")).addTopic(t);
            response.sendRedirect("topic.jsp?idTopic=" + t.getIdTopic());
//	    request.setAttribute("idTopic", t.getIdTopic());
//	    getServletContext().getRequestDispatcher("/topic.jsp").forward(request, response);
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
